单片电源系统 MPWR
$1,190.44 +$59.01 (+5.22%)
休市 · Nov 6, 8:20 pm ET · 最新盘后价 $1,190.00 -0.04%
开盘$1,201.30
昨收$1,131.43
当日区间$1,153.34 – $1,217.24
成交量1.20M
市值$58.06B
市盈率（TTM）65.6
股息率0.64%
股权结构与仓位
谁在持有、谁在做空，以及大资金的流向
机构持股比例98.5%-0.60 个百分点，较上季度
持仓机构数1,521-3 ，较上季度
内部人近期交易4次买入 / 44次卖出净卖出
空头持仓比例3.26% 占流通股回补天数 2.3 · 截至 15 Oct 2026
卖空成交量占比8.5%近5日成交量平均占比
卖空成交量占当日成交量比例
大单净流入，近20个交易日
大单买入减卖出的净额（美元）。该窗口期内：−$27.81M（12个净流入日，8个净流出日）。
按单量净流入，近20个交易日
超大单/大单近似机构级别交易；中单/小单近似散户级别交易。各档买入减卖出净额，按窗口期累计。
已披露的前五大股东合计持有38.1%的流通股。
最大股东
按投资者类型
过去6次双周报告中（31 Jul 2026至15 Oct 2026），空头持仓占流通股比例已从4.32%降至3.26%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| FMR | Mutual Fund | 2026/Q3 | +767,339 | 10.0% |
| Van Eck Associates Corporation | Mutual Fund | 2026/Q3 | +221,666 | 1.5% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +183,976 | 0.4% |
| Two Sigma Investments, LP | Hedge Fund | 2026/Q3 | +178,487 | 0.4% |
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +175,689 | 1.0% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +174,210 | 0.4% |
| Bank of America Corporation | Public Company | 2026/Q3 | +168,380 | 0.8% |
| Rafferty Asset Management, LLC | Mutual Fund | 2026/Q3 | +141,805 | 0.9% |
| Jennison Associates LLC | Mutual Fund | 2026/Q3 | +136,108 | 0.4% |
| Federated Hermes, Inc. | Mutual Fund | 2026/Q3 | +96,834 | 0.3% |
| Susquehanna International Group, LLP | Private Company | 2026/Q3 | +95,717 | 0.3% |
| Canada Pension Plan Investment Board | Government Pension Fund | 2026/Q3 | +95,448 | 0.3% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +93,732 | 4.6% |
| D1 Capital Partners L.P. | Hedge Fund | 2026/Q3 | +85,103 | 0.2% |
| Morgan Stanley | Public Company | 2026/Q3 | +84,512 | 0.8% |
按报告期列出的机构买卖动态，变动幅度从大到小排列。
内部人交易
| 日期 | 内部人 | 职位 | 交易类型 | 股数 | 价格 | 交易后持股 |
|---|---|---|---|---|---|---|
| 27 Sep 2026 | Michael Hsing | Chairperson & CEO | Automatic Disposition | -30,000 | $1,356.94 | 964,129 |
| 30 Aug 2026 | Saria Tseng | EVP of Strategic Corporate Development, General Counsel & Corporate Secretary | Other Acquisition | +2,000 | – | 145,218 |
| 30 Aug 2026 | Saria Tseng | EVP of Strategic Corporate Development, General Counsel & Corporate Secretary | Other Disposition | -2,000 | – | 145,218 |
| 23 Aug 2026 | Kuo Wei Chang | Lead Independent Director | Open Market Disposition | -50 | $1,281.57 | 326 |
| 23 Aug 2026 | Robert Dean | Vice President | Other Disposition | -5 | – | 4,505 |
| 23 Aug 2026 | Robert Dean | Vice President | Open Market Disposition | -32 | $1,297.72 | 4,505 |
| 16 Aug 2026 | Robert Dean | Vice President | Open Market Disposition | -6 | $1,413.64 | 4,493 |
| 10 Aug 2026 | Kuo Wei Chang | Lead Independent Director | Open Market Disposition | -50 | $1,420.00 | 376 |
| 4 Aug 2026 | Robert Dean | Vice President | Open Market Disposition | -105 | $1,344.27 | 4,488 |
| 3 Aug 2026 | Maurice Sciammas | Executive Vice President of Worldwide Sales & Marketing | Other Acquisition | +25,000 | – | 234,442 |
| 3 Aug 2026 | Maurice Sciammas | Executive Vice President of Worldwide Sales & Marketing | Other Disposition | -25,000 | – | 234,442 |
| 2 Aug 2026 | Maurice Sciammas | Executive Vice President of Worldwide Sales & Marketing | Automatic Disposition | -30 | $1,343.94 | 234,442 |
| 24 Jul 2026 | Robert Dean | Vice President | Other Acquisition | +1,359 | – | 2,709 |
| 14 Jul 2026 | Maurice Sciammas | Executive Vice President of Worldwide Sales & Marketing | Automatic Disposition | -15,000 | $1,405.71 | 234,472 |
| 30 Jun 2026 | Maurice Sciammas | Executive Vice President of Worldwide Sales & Marketing | Automatic Disposition | -30 | $1,351.61 | 249,472 |
| 31 May 2026 | Maurice Sciammas | Executive Vice President of Worldwide Sales & Marketing | Automatic Disposition | -30 | $1,533.95 | 249,502 |
| 28 May 2026 | Maurice Sciammas | Executive Vice President of Worldwide Sales & Marketing | Other Disposition | -12,472 | – | 249,532 |
| 26 May 2026 | Saria Tseng | EVP of Strategic Corporate Development, General Counsel & Corporate Secretary | Open Market Disposition | -7,565 | $1,700.00 | 145,218 |
| 25 May 2026 | Jeff Zhou | Independent Director | Open Market Disposition | -486 | $1,680.00 | 3,611 |
| 25 May 2026 | Robert Dean | Vice President | Open Market Disposition | -22 | $1,649.56 | 4,593 |
数据来自Form 4/Form 144申报文件。负数为减持（出售、赠予或代扣税款股份），正数为增持。
空头持仓（按报告期）
| 报告日期 | 空头股数 | 占流通股比例 | 回补天数 |
|---|---|---|---|
| 15 Oct 2026 | 1,602,872 | 3.3% | 2.3 |
| 30 Sep 2026 | 1,858,921 | 3.8% | 2.3 |
| 15 Sep 2026 | 1,906,839 | 3.9% | 3.1 |
| 31 Aug 2026 | 1,998,007 | 4.1% | 3.3 |
| 14 Aug 2026 | 1,839,078 | 3.7% | 2.7 |
| 31 Jul 2026 | 2,122,311 | 4.3% | 2.1 |
暂无评论——快来第一个聊聊 MPWR。